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For the Inventor, By the Inventor

Portland, ME, United States of America

Marical, Inc.

Calculating rank
USPTO Granted Patents = 22

% Expired Patents = 54.5


Trademarks = 2

Forward Citations = 89

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10 inventors (with patents filed for the assignee):

goldMedal Marlies Betka (22 out of 23 patents)

silverMedal H William Harris, Jr (21 out of 22 patents)

bronzeMedal Jacqueline Nearing (18 out of 18 patents)

4.  David R Russell (15 out of 15 patents)

5.  Steven Harold Jury (5 out of 6 patents)

6.  Chris Frederick Holm (3 out of 4 patents)

7.  Timothy Linley (2 out of 2 patents)

8.  Edward M Brown (2 out of 39 patents)

9.  Jacqueling Noaring (1 out of 1 patent)

10.  William Harris, Jr (1 out of 1 patent)

11.  William H Harris (20 patents)

12.  David R Russell (0 patent)


22 patents:

1. 9351998 - Methods of nourishing animals (2016-05-31),
2. 8642533 - Methods of nourishing animals (2014-02-04),
3. 8146537 - Methods of raising crustaceans in low salinity water (2012-04-03),
4. 7584718 - Growing marine fish in fresh water (2009-09-08),
5. 7421975 - Growing marine fish in fresh water (2008-09-09),
6. 7182041 - Growing marine fish in fresh water (2007-02-27),
7. 7121227 - Methods for raising pre-adult anadromous fish (2006-10-17),
8. 7101988 - Polyvalent cation-sensing receptor in Atlantic salmon (2006-09-05),
9. 7069876 - Methods for raising pre-adult anadromous fish (2006-07-04),
10. 7055461 - Methods for growing and imprinting fish using an odorant (2006-06-06),
11. 6979559 - Polyvalent cation-sensing receptor in atlantic salmon (2005-12-27),
12. 6979558 - Polyvalent cation-sensing receptor in Atlantic salmon (2005-12-27),
13. 6951739 - Polyvalent cation-sensing receptor in atlantic salmon (2005-10-04),
14. 6854422 - Growing marine fish in fresh water (2005-02-15),
15. 6748900 - Methods for growing and imprinting fish using an odorant (2004-06-15),
Company Overview
Marical, Inc. is a company based in Portland, Maine, specializing in the development and manufacturing of innovative medical devices and healthcare solutions. The organization focuses on enhancing patient care through advanced technology, particularly in the fields of rehabilitation and mobility. With a commitment to quality and efficacy, Marical aims to improve the lives of individuals with mobility challenges, leveraging research and development to create products that meet the evolving needs of the healthcare sector.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Marical, Inc. USPTO Patent Assignee Logo
22 Patents

#2 in Portland, ME

#12 in Maine

#15,057 in US

#28,822 in the World

Portland, ME (US)
Portland, ME, United States of America

Marical, Inc.

Forward Citations = 89

10 inventors:

goldMedal Marlies Betka (22 out of 23 patents)

silverMedal H William Harris, Jr (21 out of 22 patents)

bronzeMedal Jacqueline Nearing (18 out of 18 patents)

4.  David R Russell (15 out of 15 patents)

5.  Steven Harold Jury (5 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Marical, Inc.. Retrieved from https://idiyas.com/company/marical

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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